Floor Four.
Thunder Stones can be purchased at the Celadon City Dept Store on the 4th Floor.
In celadon city there is a big building with a little girl running around a fountain outside. Go in that building and go up to the 4 floor and if you go to the counter, you can buy Moon, fire, water and thunder stones.
Growlithe will evolve if you use a fire stone on it.
The celadon dept store is in celadon city if you go west from the Pokemon center you will notice a very tall building go inside and you will see a lady behind the counter ignore her and go up notice there is an elevator and stairs once you go to the 2nd floor the you will see two cashiers one is selling items like great ball and super potions the other is selling TM's, 3rd floor is the game department the only thing special here is the guy behind the counter that will teach counter to any Pokemon, 4th floor has a cashier selling water stone, thunder stone, leaf stone, fire stone and poke dolls and retro mail, 5th floor has two cashiers one selling protein, iron, carbos, calcium and zinc and hp up the other is selling X attack X speed X defend X accuracy and guard spec and dire hit. There is also a roof of the building where you can buy fresh water and soda pop and lemonade from the vending machines and if you give the drinks to the little girl you will get TM's!
Same way in Red and Blue. You have to get to the top floor in Celadon Mansion and there will be a Pokeball with Eevee. You have to go in through the door in the back.there is a building in celadon, but you need to find a small opening in the trees then walk until you reach the back of a building. walk into the building and you will enter it. walk up the steps until you reach a room, go in the door, and there should be a pokeball on the table. pick it up and you will have eevee. to get stones, i believe it is floor....6?of celadon department store
You can buy them on the fourth floor of the Celadon Department Store
At the celadon department store
Thunder Stones can be purchased at the Celadon City Dept Store on the 4th Floor.
The Water Stone is in the Celadon Department Store, 4th Floor
you can get in the celadon department store on the 3rd or 4th floor
You can buy one at the department Store in Celadon City.
Buy them at the Celadon Department Store fourth floor.
The thunder stone is used to evolve electric types of Pokémon such as Pikachu. You can get one in Gold version in the Celadon City department store.
you can get the leaf stone, fire stone, and thunder stone at the big department store in celadon city. you get eevee in the back on the Pokemon mansion.
The Department Store in Celadon City sells fire, water, thunder, and leaf stones. You can purchase them on the fourth floor. Note that the store does not sell sun or moon stones.
Pikachu evolves into a Raichu by use of a Thunder Stone, the thunder Stone can be found in the Power Plant (requires Surf) and in the Celadon Department store for around 2000 Pokedollars.
you go to celadon city and buy one from the department store on the fourth floor